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Ab initio calculations on ethylene and fluoroethylene. A comparative study

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Abstract

Self-consistent-field calculations are reported on the ethylene and fluoroethylene molecules. A comparative analysis of the two molecules shows that the effects of substituting a hydrogen atom with a fluorine atom in ethylene are fairly local. Ionization potentials in the ethylene molecule are calculated. The effects of hydrogen p-functions are studied in both molecules, and these effects are found to be rather small, particularly in fluoroethylene. A number of molecular properties are reported for both molecules.

Zusammenfassung

Für Äthylen und Fluoroäthylen werden SCF-Rechnungen durchgeführt. Eine vergleichende Analyse der beiden Moleküle zeigt, daß die Effekte der Substitution eines Wasserstoffatoms durch Fluor in Äthylen ziemlich lokal begrenzt sind. Die Ionisationspotentiale für Äthylen werden berechnet. Die Auswirkung von Funktionen am Wasserstoffatom werden in beiden Molekülen untersucht; sie sind relativ gering, besonders im Fluoroäthylen. Eine Reihe von molekularen Eigenschaften wird für beide Moleküle angegeben.

Résumé

Calculs SCF sur l'éthylène et le fluoroéthylène. Une analyse comparée des deux molécules montre que les effets de la substitution d'un atome d'hydrogène par un atome de fluor dans l'éthylène sont pratiquement locaux. Les potentiels d'ionisation de la molécule d'éthylène sont calculés. L'effet de l'introduction de fonctions p sur l'hydrogène est étudié dans les deux molécules; on le trouve faible, en particulier dans le fluoroéthylène. Etude de quelques autres propriétés moléculaires.

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Meza, S., Wahlgren, U. Ab initio calculations on ethylene and fluoroethylene. A comparative study. Theoret. Chim. Acta 21, 323–334 (1971). https://doi.org/10.1007/BF00528558

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  • DOI: https://doi.org/10.1007/BF00528558

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